Read the docs

Zimbra

Records95All Threatist records
Exploited (KEV)3In CISA KEV
CVSS critical10CVSS 9.0–10.0
CVSS high23CVSS 7.0–8.9

Exploited now

Zimbra records in CISA KEV

Components

Products in the NVD configurations · select one to filter the records

Records

95 records

TI-2026-51660 CVE-2026-73570 · GHSA-jqh7-pchh-v74j

OS command injection in Zimbra Collaboration

Priority CRITICAL 98KEV

A remote code execution vulnerability exists in Zimbra Collaboration (ZCS) before 10.1.20 when the optional zimbra-snmp package is installed and SNMP notifications are enabled.

CVSS 3.1HIGH 8.9 Network No auth No interaction EPSS 0.71663 Published 2026-08-13 Fixed in 10.1.20 CWE-78
TI-2025-40820 CVE-2025-66376 · GHSA-h7wg-85fj-3c6g

Cross-site scripting in Zimbra Collaboration

Priority CRITICAL 89KEV

Zimbra Collaboration (ZCS) 10 before 10.0.18 and 10.1 before 10.1.13 allows Classic UI stored XSS via Cascading Style Sheets (CSS) @import directives in an HTML e-mail message.

CVSS 3.1HIGH 7.2 Network No auth No interaction EPSS 0.20227 Published 2026-01-05 Fixed in 10.0.18, 10.1.13 CWE-79
TI-2026-63080 CVE-2026-93643 · GHSA-4g2j-34p9-p684

Path traversal in Zimbra Collaboration Suite

Priority MEDIUM 51

When OnlyOffice/Document Editing is available, an unauthenticated remote attacker with access to an existing supported public Briefcase document can abuse unsigned save fields to perform path-traversal writes and execute…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.0096 Published 2026-09-25 Fixed in 10.1.21 CWE-22
Priority MEDIUM 43

Multiple cross-site request forgery (CSRF) vulnerabilities in the Mail interface in Zimbra Collaboration Server (ZCS) before 8.5 allow remote attackers to hijack the authentication of arbitrary users for requests that ch…

CVSS 3.0HIGH 8.8 Network No auth User interaction EPSS 0.02869 Published 2016-04-08 No fix listed CWE-352
Priority MEDIUM 42

An unauthenticated sender can forge a share notification that triggers stored XSS when a signed-in Zimbra Classic recipient clicks Accept Share, allowing the attacker to access mailbox data and act as the victim.

CVSS 3.1CRITICAL 9.3 Network No auth User interaction EPSS 0.00273 Published 2026-09-25 Fixed in 10.1.21 CWE-79
Priority MEDIUM 41

An unauthenticated calendar sender can place active markup in a COUNTER message's RFC From address.

CVSS 3.1CRITICAL 9.3 Network No auth User interaction EPSS 0.00229 Published 2026-09-25 Fixed in 10.1.21 CWE-79
Priority MEDIUM 41

An unauthenticated sender can forge a share notification that triggers stored XSS when a signed-in Zimbra Modern recipient clicks Accept Share, allowing the attacker to access mailbox data and act as the victim.

CVSS 3.1CRITICAL 9.3 Network No auth User interaction EPSS 0.00229 Published 2026-09-25 Fixed in 10.1.21 CWE-79
Priority MEDIUM 41

Cross-site request forgery (CSRF) vulnerability in the login form in Zimbra Collaboration Suite (aka ZCS) before 8.6.0 Patch 10, 8.7.x before 8.7.11 Patch 2, and 8.8.x before 8.8.8 Patch 1 allows remote attackers to hija…

CVSS 3.0HIGH 8.8 Network No auth User interaction EPSS 0.01231 Published 2018-05-30 No fix listed CWE-352
Priority MEDIUM 40

A missing authorization vulnerability in Zimbra Collaboration Suite (ZCS) allows a delegated administrator with no explicit administrative grants to overwrite global Zimlet configuration through ConfigureZimletRequest.

CVSS 3.1HIGH 8.7 Network Low privileges User interaction EPSS 0.00375 Published 2026-10-23 No fix listed CWE-862
Priority LOW 39

A request attribute override vulnerability in Zimbra Collaboration Suite (ZCS) allows unauthenticated requests to /h/* to populate servlet attributes intended for trusted internal dispatch.

CVSS 3.1HIGH 8.7 Network Low privileges User interaction EPSS 0.00289 Published 2026-10-23 No fix listed CWE-642
Priority LOW 39

A reflected cross-site scripting vulnerability in the Classic Web Client of Zimbra Collaboration Suite (ZCS) allows an attacker to inject JavaScript through the packages parameter of the /h/rest document editor.

CVSS 3.1HIGH 8.7 Network Low privileges User interaction EPSS 0.00301 Published 2026-10-23 Fixed in 10.1.17 CWE-79
Priority LOW 38

In Zimbra Collaboration Suite through 9.0 and 8.8.15, an attacker (who has initial user access to a Zimbra server instance) can execute commands as root by passing one of JVM arguments, leading to local privilege escalat…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00958 Published 2023-06-15 No fix listed CWE-77
TI-2022-17467 CVE-2022-37393 · GHSA-8jjp-3pj6-xx8j

Zimbra zmslapd arbitrary module load

Priority LOW 37

Zimbra's sudo configuration permits the zimbra user to execute the zmslapd binary as root with arbitrary parameters.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.01669 Published 2022-08-16 No fix listed CWE-284
Priority LOW 36

A local privilege escalation vulnerability in the Zimbra Collaboration Suite (ZCS) MTA package allows the Unix zimbra account to execute arbitrary commands as root.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00269 Published 2026-10-23 No fix listed CWE-732
Priority LOW 36

A local privilege escalation vulnerability in the zmmailboxdmgr launcher of Zimbra Collaboration Suite (ZCS) allows the Unix zimbra account to execute arbitrary commands as root.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00344 Published 2026-10-23 No fix listed CWE-88
Load more
Open these records in search →